Grooved intramedullary rod



FIG. 1 is a perspective view of a grooved intramedullary rod, showing my new design;

FIG. 2 is a broken front view, in enlarged scale, of the intramedullary rod shown in FIG. 1;

FIG. 3 is a broken top view, in enlarged scale, of the intramedullary rod shown in FIG. 1; and

FIG. 4 is an end view, in enlarged scale, of the intramedullary rod shown in FIG. 1. 

The ornamental design for a grooved intramedullary rod, substantially as shown and described. 